GETTING quality play on the left side of the infield has rarely been a concern for Kevin Boles in his three seasons as the Portland Sea Dogs’ manager.

When it comes to young talent at shortstop and third base, the Red Sox may be deeper than any other organization in baseball. Third baseman Will Middlebrooks, shortstop Xander Bogaerts and third baseman Garin Cecchini are among those young players, and Boles has managed each of the three.